Hydrogel-coated polyamide nanofiltration membranes for seawater ion separation

Key Points

• The research aims to enhance ion transport regulation in seawater using hydrogel-coated membranes.
• Developed hydrogel-coated polyamide TFC nanofiltration membranes.
• Evaluated ion selectivity and rejection rates in seawater conditions.
• Assessed capabilities for resource recovery and water remediation.
• Significantly improved Mg 2+ /Na + selectivity compared to conventional membranes.
• Achieved improved boron rejection rates, enhancing overall membrane performance.